.page-news {
  --pn-glow-soft: rgba(108, 75, 224, 0.35);
  --pn-cyan-wash: rgba(53, 230, 208, 0.08);
  --pn-card-bg: rgba(38, 25, 92, 0.55);
  background: var(--void);
  color: var(--text);
  overflow-x: clip;
}

.page-news .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(24px, 4vw, 44px) 0 clamp(36px, 6vw, 72px);
  background:
    radial-gradient(58% 46% at 82% 4%, var(--pn-glow-soft), transparent 72%),
    radial-gradient(42% 40% at 8% 0%, var(--pn-cyan-wash), transparent 70%);
}

.page-news .news-hero__grid {
  display: grid;
  gap: var(--gap);
  margin-top: clamp(20px, 3vw, 36px);
}

.page-news .news-hero__title h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 6.6vw, 80px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--cream);
  margin: 10px 0 18px;
  max-width: 14em;
}

.page-news .news-hero__title .lede {
  font-size: var(--step-4);
  line-height: 1.75;
  color: var(--text-soft);
  max-width: 32em;
  margin: 0 0 24px;
}

.page-news .news-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-status {
  background: var(--cream);
  color: var(--ink);
  border: 1px solid var(--grid);
  padding: clamp(18px, 2.4vw, 26px);
  align-self: start;
}

.page-news .news-status__label {
  font-size: var(--step-1);
  color: var(--rust);
  margin: 0 0 14px;
}

.page-news .news-status__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid var(--paper-line);
}

.page-news .news-status__k {
  font-family: var(--font-mono);
  font-size: var(--step-2);
  color: var(--rust);
  letter-spacing: 0.04em;
}

.page-news .news-status__v {
  font-weight: 600;
  font-size: var(--step-3);
  color: var(--ink);
  text-align: right;
}

.page-news .news-status__note {
  margin: 14px 0 0;
  font-size: var(--step-2);
  line-height: 1.7;
  color: rgba(34, 24, 18, 0.78);
}

.page-news .news-hero__banner {
  margin: clamp(26px, 4vw, 44px) 0 0;
}

.page-news .media {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--grid);
  background:
    linear-gradient(135deg, var(--nebula) 0%, #101a44 55%, var(--violet) 100%);
}

.page-news .media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-news .news-hero__banner img {
  aspect-ratio: 16 / 9;
}

.page-news .media__caption {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.06em;
  color: var(--text-dim);
  padding: 8px 12px;
  border-top: 1px solid var(--grid);
  background: rgba(11, 16, 48, 0.7);
}

/* ---------- 章节骨架 ---------- */
.page-news .section {
  position: relative;
  padding: clamp(44px, 7vw, 88px) 0;
  border-top: 1px solid var(--grid);
}

.page-news .section-head {
  position: relative;
  max-width: 48em;
  margin-bottom: clamp(24px, 3.5vw, 44px);
}

.page-news .section-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(48px, 9vw, 116px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: rgba(169, 163, 201, 0.14);
  margin-bottom: 6px;
}

.page-news .section[data-active] .section-num {
  color: rgba(53, 230, 208, 0.22);
}

.page-news .section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--cream);
  margin: 8px 0 14px;
  padding-left: 16px;
  border-left: 2px solid var(--grid);
}

.page-news .section[data-active] .section-title {
  border-left-color: var(--cyan);
}

.page-news .prose {
  color: var(--text-soft);
  font-size: var(--step-3);
  line-height: 1.8;
  max-width: 40em;
  margin: 0;
}

.page-news .prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 主题簇目录 ---------- */
.page-news .news-catalog {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

.page-news .news-rail__label {
  font-size: var(--step-1);
  color: var(--cyan);
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--grid);
}

.page-news .news-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
}

.page-news .news-rail__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 8px;
  align-items: baseline;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  color: var(--text-soft);
  text-decoration: none;
  font-size: var(--step-2);
  line-height: 1.4;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-news .news-rail__link:hover,
.page-news .news-rail__link:focus-visible {
  border-left-color: var(--cyan);
  background: var(--pn-card-bg);
  color: var(--cream);
}

.page-news .news-rail__code {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.page-news .news-rail__count {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  color: var(--text-dim);
}

.page-news .news-group {
  scroll-margin-top: 92px;
  padding: clamp(18px, 2.6vw, 28px) 0;
  border-top: 1px solid var(--hair);
}

.page-news .news-group:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .news-group:target {
  background: linear-gradient(90deg, var(--pn-cyan-wash), transparent 68%);
  box-shadow: inset 2px 0 0 var(--cyan);
}

.page-news .news-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
}

.page-news .news-group__code {
  font-family: var(--font-mono);
  font-size: var(--step-2);
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-news .news-group__title {
  margin: 0;
  font-size: var(--step-5);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.page-news .news-group__count {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  color: var(--text-dim);
  border: 1px solid var(--grid);
  padding: 2px 6px;
  border-radius: 2px;
}

.page-news .news-group__desc {
  margin: 10px 0 12px;
  font-size: var(--step-3);
  line-height: 1.75;
  color: var(--text-soft);
  max-width: 44em;
}

.page-news .news-group__desc a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-entries {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-entry {
  padding: 12px 0 12px 14px;
  border-left: 2px solid var(--grid);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-news .news-entry + .news-entry {
  margin-top: 6px;
}

.page-news .news-entry:hover,
.page-news .news-entry:focus-within {
  border-left-color: var(--cyan);
  background: var(--pn-card-bg);
}

.page-news .news-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.page-news .entry-tag {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.06em;
  color: var(--text-dim);
  border: 1px solid var(--grid);
  padding: 1px 6px;
  border-radius: 2px;
}

.page-news .news-entry__text {
  margin: 0;
  font-size: var(--step-3);
  line-height: 1.75;
  color: var(--text-soft);
  max-width: 44em;
}

.page-news .news-entry__text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-entry__more {
  display: block;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin-top: 0;
  font-size: var(--step-2);
  color: var(--text-dim);
  transition: max-height 0.3s var(--ease), opacity 0.3s var(--ease), margin-top 0.3s var(--ease);
}

.page-news .news-entry:hover .news-entry__more,
.page-news .news-entry:focus-within .news-entry__more {
  max-height: 6em;
  opacity: 1;
  margin-top: 6px;
}

/* ---------- 本周更新 ---------- */
.page-news .news-weekly {
  background: linear-gradient(180deg, rgba(38, 25, 92, 0.6), transparent 70%);
}

.page-news .update-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .update-item {
  display: grid;
  gap: 8px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hair);
}

.page-news .update-type {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border-radius: 2px;
  border: 1px solid transparent;
}

.page-news .update-type--new {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--void);
}

.page-news .update-type--edit {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--void);
}

.page-news .update-type--move {
  background: var(--rust);
  border-color: var(--rust);
  color: var(--cream);
}

.page-news .update-text {
  margin: 0 0 4px;
  font-size: var(--step-3);
  line-height: 1.7;
  color: var(--text);
  max-width: 42em;
}

.page-news .update-scope {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-2);
  letter-spacing: 0.03em;
  color: var(--text-dim);
}

/* ---------- 最近几期 ---------- */
.page-news .news-timeline {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-news .news-timeline__fig {
  align-self: start;
}

.page-news .news-timeline__fig img {
  aspect-ratio: 4 / 3;
}

.page-news .tl-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  position: relative;
}

.page-news .tl-list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  width: 0;
  border-left: 1px dashed var(--grid);
}

.page-news .tl-item {
  position: relative;
  padding-bottom: clamp(20px, 2.6vw, 30px);
}

.page-news .tl-item:last-child {
  padding-bottom: 0;
}

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 8px;
  width: 10px;
  height: 10px;
  background: var(--void);
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.page-news .tl-when {
  font-size: var(--step-2);
  color: var(--cyan);
  margin: 0 0 6px;
}

.page-news .tl-text {
  margin: 0;
  font-size: var(--step-3);
  line-height: 1.75;
  color: var(--text-soft);
  max-width: 38em;
}

/* ---------- 双版本差异 ---------- */
.page-news .news-diff__grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-news .news-diff__board {
  background: var(--cream);
  color: var(--ink);
  border: 1px solid var(--grid);
  padding: clamp(18px, 2.6vw, 28px);
}

.page-news .diff-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--paper-line);
}

.page-news .diff-head__vs {
  font-size: var(--step-1);
  color: var(--rust);
}

.page-news .diff-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .diff-row {
  padding: 14px 0;
  border-bottom: 1px solid var(--paper-line);
}

.page-news .diff-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .diff-row__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news .news-diff .index-code {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.08em;
  padding: 3px 7px;
  border: 1px solid var(--paper-line);
  border-radius: 2px;
  background: transparent;
  color: var(--rust);
  cursor: pointer;
}

.page-news .news-diff .index-code:hover,
.page-news .news-diff .index-code:focus-visible {
  border-color: var(--rust);
  color: var(--ink);
}

.page-news .diff-row__name {
  font-weight: 600;
  font-size: var(--step-3);
  color: var(--ink);
}

.page-news .diff-cols {
  display: grid;
  gap: 8px;
}

.page-news .diff-cell {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.65;
  color: rgba(34, 24, 18, 0.72);
  padding-left: 10px;
}

.page-news .diff-cell--now {
  border-left: 3px solid var(--rust);
  color: var(--ink);
  font-weight: 500;
}

.page-news .diff-cell--old {
  border-left: 1px solid var(--paper-line);
}

.page-news .news-diff__fig {
  align-self: start;
}

.page-news .news-diff__fig img {
  aspect-ratio: 3 / 2;
}

/* ---------- 更新节奏 ---------- */
.page-news .news-keep {
  background:
    radial-gradient(50% 40% at 84% 100%, rgba(255, 138, 61, 0.12), transparent 70%);
}

.page-news .news-cadence {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-news .news-cadence__main {
  border: 1px solid var(--grid);
  background: var(--pn-card-bg);
  padding: clamp(20px, 3vw, 32px);
}

.page-news .news-cadence__title {
  font-size: var(--step-5);
  line-height: 1.3;
  color: var(--cream);
  margin: 0 0 18px;
}

.page-news .cadence-steps {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
}

.page-news .cadence-steps li {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--hair);
}

.page-news .cadence-steps li:last-child {
  border-bottom: 0;
}

.page-news .cadence-key {
  font-size: var(--step-2);
  color: var(--amber);
}

.page-news .cadence-val {
  font-size: var(--step-3);
  line-height: 1.7;
  color: var(--text-soft);
}

.page-news .news-cadence__side {
  display: grid;
  gap: clamp(16px, 2.2vw, 22px);
}

.page-news .news-card {
  border: 1px solid var(--grid);
  border-left: 2px solid var(--violet);
  padding: 18px 20px;
  background: rgba(11, 16, 48, 0.6);
}

.page-news .news-card__label {
  font-size: var(--step-1);
  color: var(--cyan);
  margin: 0 0 8px;
}

.page-news .news-card__text {
  margin: 0;
  font-size: var(--step-3);
  line-height: 1.75;
  color: var(--text-soft);
}

.page-news .news-card__text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-inline-fig {
  margin: 0;
}

.page-news .news-inline-fig img {
  aspect-ratio: 10 / 7;
  opacity: 0.9;
}

.page-news .news-top-wrap {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

.page-news .news-top {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--step-2);
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-decoration: none;
  border: 1px solid var(--grid);
  padding: 10px 16px;
  border-radius: 2px;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-news .news-top:hover,
.page-news .news-top:focus-visible {
  border-color: var(--cyan);
  color: var(--cream);
  transform: translateY(-2px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-rail__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .update-item {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-news .diff-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-news .news-catalog {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: clamp(26px, 3.4vw, 56px);
    align-items: start;
  }

  .page-news .news-catalog__rail {
    position: sticky;
    top: 92px;
    align-self: start;
  }

  .page-news .news-rail__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news .news-timeline {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-news .news-diff__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-news .news-cadence {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (hover: none) {
  .page-news .news-entry__more {
    max-height: none;
    opacity: 1;
    margin-top: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-entry,
  .page-news .news-entry__more,
  .page-news .news-rail__link,
  .page-news .news-top {
    transition: none;
  }

  .page-news .news-top:hover,
  .page-news .news-top:focus-visible {
    transform: none;
  }
}
<<<END>>>